/*
 * StandardObject.java
 *
 * Copyright (C) 2003-2006 Peter Graves
 * $Id: StandardObject.java 11754 2009-04-12 10:53:39Z vvoutilainen $
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on this library.  If you modify this library, you may extend
 * this exception to your version of the library, but you are not
 * obligated to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */

package org.armedbear.lisp;
import static org.armedbear.lisp.Nil.NIL;
import static org.armedbear.lisp.Lisp.*;

public interface StandardObject extends LispObject
{
//  protected Layout layout;
//  protected LispObject[] slots;
//
//  protected StandardObject()
//  {
//    layout = new Layout(StandardClass.STANDARD_OBJECT, NIL, NIL);
//  }
//
//  protected StandardObject(LispClass cls, int length)
//  {
//    layout = cls.getClassLayout();
//    slots = new LispObject[length];
//    for (int i = slots.length; i-- > 0;)
//      slots[i] = UNBOUND_VALUE;
//  }
//
//  protected StandardObject(LispClass cls)
//  {
//    layout = cls.getClassLayout();
//    slots = new LispObject[layout.getLength()];
//    for (int i = slots.length; i-- > 0;)
//      slots[i] = UNBOUND_VALUE;
//  }
//
//  //@override
  public LispObject getParts() throws ConditionThrowable;

  public LispClass getLispClass();

  //@override
  public LispObject typeOf();

  //@override
  public LispObject classOf();

  //@override
  public LispObject typep(LispObject type) throws ConditionThrowable;

  //@override
  public String writeToString() throws ConditionThrowable;

  /*private*/ Layout updateLayout() throws ConditionThrowable;
  // Only handles instance slots (not shared slots).
  public LispObject getInstanceSlotValue(LispObject slotName) throws ConditionThrowable;
  // Only handles instance slots (not shared slots).
  public void setInstanceSlotValue(LispObject slotName, LispObject newValue)
    throws ConditionThrowable;

  //@override
  public LispObject SLOT_VALUE(LispObject slotName) throws ConditionThrowable;

  //@override
  public void setSlotValue(LispObject slotName, LispObject newValue) throws ConditionThrowable;

  public Layout getLayout();
  public void setLayout(Layout checkLayout);
  public LispObject getSlot(int index);
  public void setSlot(int intValue, LispObject third);
  public int getInstanceSlotLength() throws ConditionThrowable;

  void setSlots(LispObject[] lispObjects);
  public LispObject[] getSlots() ;
  
}
